diff --git a/backend/app.js b/backend/app.js
index bee8037..ba0d3d8 100644
--- a/backend/app.js
+++ b/backend/app.js
@@ -1655,6 +1655,13 @@ async function autoUpdateYoutubeDL() {
 
         // got version, now let's check the latest version from the youtube-dl API
         let youtubedl_api_path = using_youtube_dlc ? youtube_dlc_tags_url : youtube_dl_tags_url;
+
+        if (default_downloader === 'youtube-dl') {
+            await downloadLatestYoutubeDLBinary('unknown', 'unknown');
+            resolve(true);
+            return;
+        }
+
         fetch(youtubedl_api_path, {method: 'Get'})
         .then(async res => res.json())
         .then(async (json) => {
@@ -1696,7 +1703,7 @@ async function downloadLatestYoutubeDLBinary(current_version, new_version) {
                 logger.error(err);
                 resolve(false);
             }
-            logger.info(`youtube-dl successfully updated: ${current_version} -> ${new_version}`);
+            logger.info(`youtube-dl successfully updated!`);
             resolve(true);
         });
     });
diff --git a/backend/appdata/default.json b/backend/appdata/default.json
index 745b038..c25bba6 100644
--- a/backend/appdata/default.json
+++ b/backend/appdata/default.json
@@ -49,6 +49,7 @@
       }
     },
     "Advanced": {
+      "default_downloader": "youtube-dl",
       "use_default_downloading_agent": true,
       "custom_downloading_agent": "",
       "multi_user_mode": false,
diff --git a/backend/config.js b/backend/config.js
index 87a44c5..0661a9f 100644
--- a/backend/config.js
+++ b/backend/config.js
@@ -226,7 +226,7 @@ DEFAULT_CONFIG = {
         }
       },
       "Advanced": {
-        "default_downloader": "youtube-dlc",
+        "default_downloader": "youtube-dl",
         "use_default_downloading_agent": true,
         "custom_downloading_agent": "",
         "multi_user_mode": false,
diff --git a/backend/utils.js b/backend/utils.js
index 411a7da..ed3b584 100644
--- a/backend/utils.js
+++ b/backend/utils.js
@@ -114,6 +114,7 @@ function getExpectedFileSize(info_json) {
     const formats = info_json['format_id'].split('+');
     let expected_filesize = 0;
     formats.forEach(format_id => {
+        if (!info_json.formats) return expected_filesize;
         info_json.formats.forEach(available_format => {
             if (available_format.format_id === format_id && available_format.filesize) {
                 expected_filesize += available_format.filesize;